After opening arguments from Read’s defense attorney Alan Jackson and the Commonwealth’s special prosecutor Hank Brennan, a key witness was called to the stand.

What began as a tragic death in a suburb has spiraled into the Karen Read Trial: a viral story of romantic turmoil, heavy drinking, and a conspiracy theory that involves cops. And TikTok can’t look away.

Here’s a look at a timeline of the entire case, from the key 6-hour period surrounding O’Keefe’s death and the ensuing legal battle over who is responsible.